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<a class="jxr_linenumber" name="1" href="#1">1</a>   <strong class="jxr_keyword">package</strong> com.katesoft.scale4j.common.beans;
<a class="jxr_linenumber" name="2" href="#2">2</a>   
<a class="jxr_linenumber" name="3" href="#3">3</a>   <strong class="jxr_keyword">import</strong> com.katesoft.scale4j.common.utils.CollectionUtility;
<a class="jxr_linenumber" name="4" href="#4">4</a>   
<a class="jxr_linenumber" name="5" href="#5">5</a>   <strong class="jxr_keyword">import</strong> java.util.ArrayList;
<a class="jxr_linenumber" name="6" href="#6">6</a>   <strong class="jxr_keyword">import</strong> java.util.Collections;
<a class="jxr_linenumber" name="7" href="#7">7</a>   <strong class="jxr_keyword">import</strong> java.util.Comparator;
<a class="jxr_linenumber" name="8" href="#8">8</a>   <strong class="jxr_keyword">import</strong> java.util.List;
<a class="jxr_linenumber" name="9" href="#9">9</a>   
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_javadoccomment"> * This class represents integer range.</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_javadoccomment"> * @author Santhosh Kumar T</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_javadoccomment"> * @author kate2007</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a>
<a class="jxr_linenumber" name="17" href="#17">17</a>  {
<a class="jxr_linenumber" name="18" href="#18">18</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> min;
<a class="jxr_linenumber" name="19" href="#19">19</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> max;
<a class="jxr_linenumber" name="20" href="#20">20</a>  
<a class="jxr_linenumber" name="21" href="#21">21</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="22" href="#22">22</a>  <em class="jxr_javadoccomment">     * Note that both min and max are inclusive</em>
<a class="jxr_linenumber" name="23" href="#23">23</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="24" href="#24">24</a>  <em class="jxr_javadoccomment">     * @param min from</em>
<a class="jxr_linenumber" name="25" href="#25">25</a>  <em class="jxr_javadoccomment">     * @param max to</em>
<a class="jxr_linenumber" name="26" href="#26">26</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="27" href="#27">27</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a>(<strong class="jxr_keyword">int</strong> min,
<a class="jxr_linenumber" name="28" href="#28">28</a>                   <strong class="jxr_keyword">int</strong> max)
<a class="jxr_linenumber" name="29" href="#29">29</a>      {
<a class="jxr_linenumber" name="30" href="#30">30</a>          <strong class="jxr_keyword">if</strong> (min &gt; max) { <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"invalid range: ["</span> + min + <span class="jxr_string">", "</span> + max + ']'); }
<a class="jxr_linenumber" name="31" href="#31">31</a>          <strong class="jxr_keyword">this</strong>.min = min;
<a class="jxr_linenumber" name="32" href="#32">32</a>          <strong class="jxr_keyword">this</strong>.max = max;
<a class="jxr_linenumber" name="33" href="#33">33</a>      }
<a class="jxr_linenumber" name="34" href="#34">34</a>  
<a class="jxr_linenumber" name="35" href="#35">35</a>      @Override
<a class="jxr_linenumber" name="36" href="#36">36</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> hashCode()
<a class="jxr_linenumber" name="37" href="#37">37</a>      {
<a class="jxr_linenumber" name="38" href="#38">38</a>          <strong class="jxr_keyword">return</strong> min + max;
<a class="jxr_linenumber" name="39" href="#39">39</a>      }
<a class="jxr_linenumber" name="40" href="#40">40</a>  
<a class="jxr_linenumber" name="41" href="#41">41</a>      @Override
<a class="jxr_linenumber" name="42" href="#42">42</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> equals(Object obj)
<a class="jxr_linenumber" name="43" href="#43">43</a>      {
<a class="jxr_linenumber" name="44" href="#44">44</a>          <strong class="jxr_keyword">if</strong> (obj instanceof Range) {
<a class="jxr_linenumber" name="45" href="#45">45</a>              <a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a> that = (Range) obj;
<a class="jxr_linenumber" name="46" href="#46">46</a>              <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>.min == that.min &amp;&amp; <strong class="jxr_keyword">this</strong>.max == that.max;
<a class="jxr_linenumber" name="47" href="#47">47</a>          }
<a class="jxr_linenumber" name="48" href="#48">48</a>          <strong class="jxr_keyword">else</strong> { <strong class="jxr_keyword">return</strong> false; }
<a class="jxr_linenumber" name="49" href="#49">49</a>      }
<a class="jxr_linenumber" name="50" href="#50">50</a>  
<a class="jxr_linenumber" name="51" href="#51">51</a>      @Override
<a class="jxr_linenumber" name="52" href="#52">52</a>      <strong class="jxr_keyword">public</strong> String toString()
<a class="jxr_linenumber" name="53" href="#53">53</a>      {
<a class="jxr_linenumber" name="54" href="#54">54</a>          <strong class="jxr_keyword">return</strong> <span class="jxr_string">"["</span> + min + <span class="jxr_string">", "</span> + max + ']';
<a class="jxr_linenumber" name="55" href="#55">55</a>      }
<a class="jxr_linenumber" name="56" href="#56">56</a>  
<a class="jxr_linenumber" name="57" href="#57">57</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="58" href="#58">58</a>  <em class="jxr_javadoccomment">     * @param x number</em>
<a class="jxr_linenumber" name="59" href="#59">59</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="60" href="#60">60</a>  <em class="jxr_javadoccomment">     * @return true if this range is before given number</em>
<a class="jxr_linenumber" name="61" href="#61">61</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="62" href="#62">62</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> before(<strong class="jxr_keyword">int</strong> x)
<a class="jxr_linenumber" name="63" href="#63">63</a>      {
<a class="jxr_linenumber" name="64" href="#64">64</a>          <strong class="jxr_keyword">return</strong> x &gt; max;
<a class="jxr_linenumber" name="65" href="#65">65</a>      }
<a class="jxr_linenumber" name="66" href="#66">66</a>  
<a class="jxr_linenumber" name="67" href="#67">67</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="68" href="#68">68</a>  <em class="jxr_javadoccomment">     * @param x number</em>
<a class="jxr_linenumber" name="69" href="#69">69</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="70" href="#70">70</a>  <em class="jxr_javadoccomment">     * @return true if this range is after given number</em>
<a class="jxr_linenumber" name="71" href="#71">71</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="72" href="#72">72</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> after(<strong class="jxr_keyword">int</strong> x)
<a class="jxr_linenumber" name="73" href="#73">73</a>      {
<a class="jxr_linenumber" name="74" href="#74">74</a>          <strong class="jxr_keyword">return</strong> x &lt; min;
<a class="jxr_linenumber" name="75" href="#75">75</a>      }
<a class="jxr_linenumber" name="76" href="#76">76</a>  
<a class="jxr_linenumber" name="77" href="#77">77</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="78" href="#78">78</a>  <em class="jxr_javadoccomment">     * @param x number</em>
<a class="jxr_linenumber" name="79" href="#79">79</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="80" href="#80">80</a>  <em class="jxr_javadoccomment">     * @return true if this range contains given number</em>
<a class="jxr_linenumber" name="81" href="#81">81</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="82" href="#82">82</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> contains(<strong class="jxr_keyword">int</strong> x)
<a class="jxr_linenumber" name="83" href="#83">83</a>      {
<a class="jxr_linenumber" name="84" href="#84">84</a>          <strong class="jxr_keyword">return</strong> !before(x) &amp;&amp; !after(x);
<a class="jxr_linenumber" name="85" href="#85">85</a>      }
<a class="jxr_linenumber" name="86" href="#86">86</a>  
<a class="jxr_linenumber" name="87" href="#87">87</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="88" href="#88">88</a>  <em class="jxr_javadoccomment">     * tells the position this range with respect to given range. &lt;p&gt;&lt;br&gt; the return value is boolean array of size 3.</em>
<a class="jxr_linenumber" name="89" href="#89">89</a>  <em class="jxr_javadoccomment">     * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="90" href="#90">90</a>  <em class="jxr_javadoccomment">     * &lt;br&gt; &lt;blockquote&gt; 1st boolean ==&gt; true if some portion of this range is before given range&lt;br&gt; 2nd boolean ==&gt; true if this range intersects</em>
<a class="jxr_linenumber" name="91" href="#91">91</a>  <em class="jxr_javadoccomment">     * with given range&lt;br&gt; 3rd boolean ==&gt; true if some portion of this range is after given range &lt;/blockquote&gt; ideally, you can remebers these</em>
<a class="jxr_linenumber" name="92" href="#92">92</a>  <em class="jxr_javadoccomment">     * boolean as { before, inside, after }</em>
<a class="jxr_linenumber" name="93" href="#93">93</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="94" href="#94">94</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong>[] position(<a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a> that)
<a class="jxr_linenumber" name="95" href="#95">95</a>      {
<a class="jxr_linenumber" name="96" href="#96">96</a>          <strong class="jxr_keyword">boolean</strong> before = that.after(min);
<a class="jxr_linenumber" name="97" href="#97">97</a>          <strong class="jxr_keyword">boolean</strong> after = that.before(max);
<a class="jxr_linenumber" name="98" href="#98">98</a>          <strong class="jxr_keyword">boolean</strong> inside;
<a class="jxr_linenumber" name="99" href="#99">99</a>          <strong class="jxr_keyword">if</strong> (before &amp;&amp; after) { inside = <strong class="jxr_keyword">true</strong>; }
<a class="jxr_linenumber" name="100" href="#100">100</a>         <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (!before &amp;&amp; !after) { inside = <strong class="jxr_keyword">true</strong>; }
<a class="jxr_linenumber" name="101" href="#101">101</a>         <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (before) { inside = that.contains(max); }
<a class="jxr_linenumber" name="102" href="#102">102</a>         <strong class="jxr_keyword">else</strong> { inside = that.contains(min); }
<a class="jxr_linenumber" name="103" href="#103">103</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">boolean</strong>[]{before, inside, after};
<a class="jxr_linenumber" name="104" href="#104">104</a>     }
<a class="jxr_linenumber" name="105" href="#105">105</a> 
<a class="jxr_linenumber" name="106" href="#106">106</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment">     * this method splits this range into 3 regions with respect to given range &lt;p&gt;&lt;br&gt; the return value is Range array of size 3.&lt;br&gt; &lt;blockquote&gt;</em>
<a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_javadoccomment">     * 1st range ==&gt; the portion of this range that is before given range&lt;br&gt; 2nd range ==&gt; the portion of range that is common to this range and</em>
<a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_javadoccomment">     * given range&lt;br&gt; 3rd range ==&gt; the portion of this range that is after given range. &lt;/blockquote&gt; Note that the values in returned array can</em>
<a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment">     * be</em>
<a class="jxr_linenumber" name="111" href="#111">111</a> <em class="jxr_javadoccomment">     * null, if there is no range satifying the requirement.</em>
<a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="113" href="#113">113</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a>[] split(<a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a> that)
<a class="jxr_linenumber" name="114" href="#114">114</a>     {
<a class="jxr_linenumber" name="115" href="#115">115</a>         <strong class="jxr_keyword">boolean</strong> position[] = position(that);
<a class="jxr_linenumber" name="116" href="#116">116</a>         <a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a> before = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="117" href="#117">117</a>         <strong class="jxr_keyword">if</strong> (position[0]) { before = <strong class="jxr_keyword">new</strong> Range(<strong class="jxr_keyword">this</strong>.min, Math.min(<strong class="jxr_keyword">this</strong>.max, that.min - 1)); }
<a class="jxr_linenumber" name="118" href="#118">118</a>         <a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a> after = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="119" href="#119">119</a>         <strong class="jxr_keyword">if</strong> (position[2]) { after = <strong class="jxr_keyword">new</strong> Range(Math.max(<strong class="jxr_keyword">this</strong>.min, that.max + 1), <strong class="jxr_keyword">this</strong>.max); }
<a class="jxr_linenumber" name="120" href="#120">120</a>         <a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a> inside = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="121" href="#121">121</a>         <strong class="jxr_keyword">if</strong> (position[1]) { inside = <strong class="jxr_keyword">new</strong> Range(Math.max(<strong class="jxr_keyword">this</strong>.min, that.min), Math.min(<strong class="jxr_keyword">this</strong>.max, that.max)); }
<a class="jxr_linenumber" name="122" href="#122">122</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a>[]{before, inside, after};
<a class="jxr_linenumber" name="123" href="#123">123</a>     }
<a class="jxr_linenumber" name="124" href="#124">124</a> 
<a class="jxr_linenumber" name="125" href="#125">125</a>     <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> return the portion of range that is common to this range and given range.&lt;br&gt; If there is nothing common, then null is returned. */</em>
<a class="jxr_linenumber" name="126" href="#126">126</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a> intersection(<a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a> that)
<a class="jxr_linenumber" name="127" href="#127">127</a>     {
<a class="jxr_linenumber" name="128" href="#128">128</a>         <strong class="jxr_keyword">return</strong> split(that)[1];
<a class="jxr_linenumber" name="129" href="#129">129</a>     }
<a class="jxr_linenumber" name="130" href="#130">130</a> 
<a class="jxr_linenumber" name="131" href="#131">131</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_javadoccomment">     * returns union of this range with given range.&lt;br&gt; if both ranges are adjacent/intersecting to each other, then the returned array will have</em>
<a class="jxr_linenumber" name="133" href="#133">133</a> <em class="jxr_javadoccomment">     * only one range. otherwise the returned array will have two ranges in sorted order.</em>
<a class="jxr_linenumber" name="134" href="#134">134</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="135" href="#135">135</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a>[] union(<a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a> that)
<a class="jxr_linenumber" name="136" href="#136">136</a>     {
<a class="jxr_linenumber" name="137" href="#137">137</a>         <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong>.min &gt; that.min) { <strong class="jxr_keyword">return</strong> that.union(<strong class="jxr_keyword">this</strong>); }
<a class="jxr_linenumber" name="138" href="#138">138</a>         <em class="jxr_comment">// this -------------</em>
<a class="jxr_linenumber" name="139" href="#139">139</a>         <em class="jxr_comment">// that    --------------</em>
<a class="jxr_linenumber" name="140" href="#140">140</a>         <em class="jxr_comment">// that    -------</em>
<a class="jxr_linenumber" name="141" href="#141">141</a>         <strong class="jxr_keyword">if</strong> (contains(that.min)) { <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Range[]{<strong class="jxr_keyword">new</strong> Range(<strong class="jxr_keyword">this</strong>.min, Math.max(<strong class="jxr_keyword">this</strong>.max, that.max))}; }
<a class="jxr_linenumber" name="142" href="#142">142</a>         <em class="jxr_comment">// this -----------</em>
<a class="jxr_linenumber" name="143" href="#143">143</a>         <em class="jxr_comment">// that                --------------</em>
<a class="jxr_linenumber" name="144" href="#144">144</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a>[]{<strong class="jxr_keyword">this</strong>, that};
<a class="jxr_linenumber" name="145" href="#145">145</a>     }
<a class="jxr_linenumber" name="146" href="#146">146</a> 
<a class="jxr_linenumber" name="147" href="#147">147</a>     <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> returns the portion(s) of this range that are not present in given range. maximum size of returned array is 2. and the array is sorted. */</em>
<a class="jxr_linenumber" name="148" href="#148">148</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a>[] minus(<a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a> that)
<a class="jxr_linenumber" name="149" href="#149">149</a>     {
<a class="jxr_linenumber" name="150" href="#150">150</a>         <a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a> split[] = split(that);
<a class="jxr_linenumber" name="151" href="#151">151</a>         <strong class="jxr_keyword">if</strong> (split[0] == <strong class="jxr_keyword">null</strong> &amp;&amp; split[2] == <strong class="jxr_keyword">null</strong>) { <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Range[0]; }
<a class="jxr_linenumber" name="152" href="#152">152</a>         <strong class="jxr_keyword">if</strong> (split[0] != <strong class="jxr_keyword">null</strong> &amp;&amp; split[2] != <strong class="jxr_keyword">null</strong>) { <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Range[]{split[0], split[2]}; }
<a class="jxr_linenumber" name="153" href="#153">153</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a>[]{split[0] != <strong class="jxr_keyword">null</strong> ? split[0] : split[2]};
<a class="jxr_linenumber" name="154" href="#154">154</a>     }
<a class="jxr_linenumber" name="155" href="#155">155</a>     <em class="jxr_comment">/*<em class="jxr_comment">-------------------------------------------------[ Helpers ]---------------------------------------------------*/</em></em>
<a class="jxr_linenumber" name="156" href="#156">156</a> 
<a class="jxr_linenumber" name="157" href="#157">157</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> List&lt;Range&gt; union(List&lt;Range&gt; ranges)
<a class="jxr_linenumber" name="158" href="#158">158</a>     {
<a class="jxr_linenumber" name="159" href="#159">159</a>         ranges = <strong class="jxr_keyword">new</strong> ArrayList&lt;Range&gt;(ranges);
<a class="jxr_linenumber" name="160" href="#160">160</a>         Collections.sort(ranges, <strong class="jxr_keyword">new</strong> Comparator&lt;Range&gt;()
<a class="jxr_linenumber" name="161" href="#161">161</a>         {
<a class="jxr_linenumber" name="162" href="#162">162</a>             @Override
<a class="jxr_linenumber" name="163" href="#163">163</a>             <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> compare(<a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a> r1,
<a class="jxr_linenumber" name="164" href="#164">164</a>                                <a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a> r2)
<a class="jxr_linenumber" name="165" href="#165">165</a>             {
<a class="jxr_linenumber" name="166" href="#166">166</a>                 <strong class="jxr_keyword">return</strong> r1.min - r2.min;
<a class="jxr_linenumber" name="167" href="#167">167</a>             }
<a class="jxr_linenumber" name="168" href="#168">168</a>         });
<a class="jxr_linenumber" name="169" href="#169">169</a>         List&lt;Range&gt; union = <strong class="jxr_keyword">new</strong> ArrayList&lt;Range&gt;();
<a class="jxr_linenumber" name="170" href="#170">170</a>         <strong class="jxr_keyword">for</strong> (Range r : ranges) {
<a class="jxr_linenumber" name="171" href="#171">171</a>             <strong class="jxr_keyword">if</strong> (union.isEmpty()) { union.add(r); }
<a class="jxr_linenumber" name="172" href="#172">172</a>             <strong class="jxr_keyword">else</strong> { CollectionUtility.addAll(union, union.remove(union.size() - 1).union(r)); }
<a class="jxr_linenumber" name="173" href="#173">173</a>         }
<a class="jxr_linenumber" name="174" href="#174">174</a>         <strong class="jxr_keyword">return</strong> union;
<a class="jxr_linenumber" name="175" href="#175">175</a>     }
<a class="jxr_linenumber" name="176" href="#176">176</a> 
<a class="jxr_linenumber" name="177" href="#177">177</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> List&lt;Range&gt; intersection(List&lt;Range&gt; list1,
<a class="jxr_linenumber" name="178" href="#178">178</a>                                            List&lt;Range&gt; list2)
<a class="jxr_linenumber" name="179" href="#179">179</a>     {
<a class="jxr_linenumber" name="180" href="#180">180</a>         list1 = union(list1);
<a class="jxr_linenumber" name="181" href="#181">181</a>         list2 = union(list2);
<a class="jxr_linenumber" name="182" href="#182">182</a>         List&lt;Range&gt; intersection = <strong class="jxr_keyword">new</strong> ArrayList&lt;Range&gt;();
<a class="jxr_linenumber" name="183" href="#183">183</a>         <strong class="jxr_keyword">for</strong> (Range r1 : list1) {
<a class="jxr_linenumber" name="184" href="#184">184</a>             <strong class="jxr_keyword">for</strong> (Range r2 : list2) {
<a class="jxr_linenumber" name="185" href="#185">185</a>                 <a href="../../../../../com/katesoft/scale4j/common/beans/Range.html">Range</a> r = r1.intersection(r2);
<a class="jxr_linenumber" name="186" href="#186">186</a>                 <strong class="jxr_keyword">if</strong> (r != <strong class="jxr_keyword">null</strong>) { intersection.add(r); }
<a class="jxr_linenumber" name="187" href="#187">187</a>             }
<a class="jxr_linenumber" name="188" href="#188">188</a>         }
<a class="jxr_linenumber" name="189" href="#189">189</a>         <strong class="jxr_keyword">return</strong> union(intersection);
<a class="jxr_linenumber" name="190" href="#190">190</a>     }
<a class="jxr_linenumber" name="191" href="#191">191</a> 
<a class="jxr_linenumber" name="192" href="#192">192</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> List&lt;Range&gt; minus(List&lt;Range&gt; list1,
<a class="jxr_linenumber" name="193" href="#193">193</a>                                     List&lt;Range&gt; list2)
<a class="jxr_linenumber" name="194" href="#194">194</a>     {
<a class="jxr_linenumber" name="195" href="#195">195</a>         list1 = union(list1);
<a class="jxr_linenumber" name="196" href="#196">196</a>         list2 = union(list2);
<a class="jxr_linenumber" name="197" href="#197">197</a>         <strong class="jxr_keyword">for</strong> (Range r2 : list2) {
<a class="jxr_linenumber" name="198" href="#198">198</a>             List&lt;Range&gt; temp = <strong class="jxr_keyword">new</strong> ArrayList&lt;Range&gt;();
<a class="jxr_linenumber" name="199" href="#199">199</a>             <strong class="jxr_keyword">for</strong> (Range r1 : list1) { CollectionUtility.addAll(temp, r1.minus(r2)); }
<a class="jxr_linenumber" name="200" href="#200">200</a>             list1 = temp;
<a class="jxr_linenumber" name="201" href="#201">201</a>         }
<a class="jxr_linenumber" name="202" href="#202">202</a>         <strong class="jxr_keyword">return</strong> union(list1);
<a class="jxr_linenumber" name="203" href="#203">203</a>     }
<a class="jxr_linenumber" name="204" href="#204">204</a> 
<a class="jxr_linenumber" name="205" href="#205">205</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> same(List&lt;Range&gt; list1,
<a class="jxr_linenumber" name="206" href="#206">206</a>                                List&lt;Range&gt; list2)
<a class="jxr_linenumber" name="207" href="#207">207</a>     {
<a class="jxr_linenumber" name="208" href="#208">208</a>         list1 = union(list1);
<a class="jxr_linenumber" name="209" href="#209">209</a>         list2 = union(list2);
<a class="jxr_linenumber" name="210" href="#210">210</a>         <strong class="jxr_keyword">return</strong> list1.equals(list2);
<a class="jxr_linenumber" name="211" href="#211">211</a>     }
<a class="jxr_linenumber" name="212" href="#212">212</a> }
</pre>
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